Super Modifieds peaked in popularity in the 50's and 60's in the Midwest and South where they would race nearly nightly to large crowds. The cars even evolved into having a large amount of downforce, which it appears that the builder experimented with here, judging by the tabs on the top of the roll bar. These cars ended up being the lower budget, dirt going versions of their Indianapolis brethren.
The interior is special because it features a steering wheel yanked from a bumper car. It's also special because it has fossilized feces in the seat (which is definitely a barrel of pesticide) leftover from going three wide into turn one at Wake County Speedway in September 1964. Inset into the dash which has been toenailed to a cross bar, a lone gauge just left of the driver's hand shows a temperature or pressure of something, sometimes.
Matt, a self-proclaimed bottom-feeder of the classic car market, spends half of his time buying cars, half of his time retrieving them, and the remaining third on keeping them on the road.